{% extends "../base.html" %}

{% block page_title %}Assessments - {{ academic_class.Class.name }}{% endblock page_title %}

{% block content %}
<div class="row">
  <div class="col-md-12 col-sm-12 col-xs-12">
    <div class="x_panel">
      <div class="x_title">
        <h2>Assessments</h2>
        <ul class="nav navbar-right panel_toolbox">
          <li><a class="collapse-link"><i class="fa fa-chevron-up"></i></a></li>
        </ul>
        <div class="clearfix"></div>

        <!-- Breadcrumbs -->
        <nav aria-label="breadcrumb" class="mb-5">
          <ol class="breadcrumb" style="margin-bottom:6px;">
            <li class="breadcrumb-item"><a href="#">Results</a></li>
            <li class="breadcrumb-item"><a href="{% url 'class_assessment_list' %}">Class Assessments</a></li>
            <li class="breadcrumb-item active" aria-current="page">{{ academic_class.Class.name }}</li>
          </ol>
        </nav>

        <div class="small text-muted">
          Class: <strong>{{ academic_class.Class.name }}</strong> &middot;
          Year: <strong>{{ academic_class.academic_year.academic_year }}</strong> &middot;
          Term: <strong>{{ academic_class.term.get_term_display }}</strong>
        </div>
      </div>

      <div class="x_content">
        <!-- Page actions -->
        <div class="d-flex justify-content-between align-items-center mb-2">
          <a href="{% url 'class_assessment_list' %}" class="btn btn-link p-0">
            <i class="fa fa-arrow-left"></i> Back to Classes
          </a>
          <div>
            {% if user.is_superuser and not is_teacher_role %}
              <a
                href="{% url 'assessment_create' %}?open_modal=1
                  &year_id={{ academic_class.academic_year.id }}
                  &term_id={{ academic_class.term.id }}
                  &class_id={{ academic_class.Class.id }}
                  {% if selected_subject_id %}&subject_id={{ selected_subject_id }}{% endif %}
                  {% if selected_assessment_type_id %}&assessment_type_id={{ selected_assessment_type_id }}{% endif %}
                  &academic_class_id={{ academic_class.id }}"
                class="btn btn-success btn-sm">
                <i class="fa fa-plus"></i> New Assessment
              </a>
            {% endif %}
          </div>
        </div>

        <form method="get" class="form-horizontal form-label-left" id="assessmentsFilterForm">
          <div class="row filter-toolbar sticky">
            <div class="col-md-3 col-sm-6 mb-10">
              <label for="subject_id" class="small text-muted">Subject</label>
              <select id="subject_id" name="subject_id" class="form-control">
                <option value="">All Subjects</option>
                {% for s in subjects %}
                  <option value="{{ s.id }}" {% if selected_subject_id == s.id|stringformat:"s" %}selected{% endif %}>{{ s.name }}</option>
                {% endfor %}
              </select>
            </div>

            <div class="col-md-3 col-sm-6 mb-10">
              <label for="assessment_type_id" class="small text-muted">Assessment Type</label>
              <select id="assessment_type_id" name="assessment_type_id" class="form-control">
                <option value="">All Types</option>
                {% for at in assessment_types %}
                  <option value="{{ at.id }}" {% if selected_assessment_type_id == at.id|stringformat:"s" %}selected{% endif %}>{{ at.name }}</option>
                {% endfor %}
              </select>
            </div>

            <div class="col-md-2 col-sm-6 mb-10">
              <label for="date_from" class="small text-muted">Date From</label>
              <input type="date" id="date_from" name="date_from" value="{{ date_from }}" class="form-control" />
            </div>

            <div class="col-md-2 col-sm-6 mb-10">
              <label for="date_to" class="small text-muted">Date To</label>
              <input type="date" id="date_to" name="date_to" value="{{ date_to }}" class="form-control" />
            </div>

            <div class="col-md-2 col-sm-12 mb-10 d-flex align-items-end">
              <button type="submit" class="btn btn-dark mr-2">
                <i class="fa fa-filter mr-1"></i> Apply
              </button>
              <a href="?" class="btn btn-default">Reset</a>
            </div>

            <div class="col-md-12">
              <div class="mt-10">
                <span class="badge badge-secondary p-2">
                  Showing {{ assessments|length|default:0 }} assessment{{ assessments|length|pluralize }}
                </span>
              </div>
            </div>

            <!-- Quick chips: Subjects -->
            <div class="col-md-12">
              <div class="chips-scroll">
                {% for s in subjects %}
                  <a class="chip {% if selected_subject_id == s.id|stringformat:"s" %}active{% endif %}"
                     href="?subject_id={{ s.id }}">
                    {{ s.name }}
                  </a>
                {% endfor %}
              </div>
            </div>

            <!-- Quick chips: Types -->
            <div class="col-md-12">
              <div class="chips-scroll">
                {% for at in assessment_types %}
                  <a class="chip chip-alt {% if selected_assessment_type_id == at.id|stringformat:"s" %}active{% endif %}"
                     href="?assessment_type_id={{ at.id }}">
                    {{ at.name }}
                  </a>
                {% endfor %}
              </div>
            </div>
          </div>
        </form>

        {% if assessments %}
          <table class="table table-striped table-bordered datatable" style="width:100%">
            <thead>
              <tr>
                <th style="width:60px;">#</th>
                <th>Assessment</th>
                <th>Subject</th>
                <th>Type</th>
                <th>Date</th>
                <th>Out Of</th>
                <th style="width:260px;">Actions</th>
              </tr>
            </thead>
            <tbody>
              {% for assessment in assessments %}
                <tr {% if can_add_results %} class="row-link" data-href="{% url 'add_results' assessment.id %}" {% endif %}>
                  <td class="text-center">{{ forloop.counter }}</td>
                  <td>{{ assessment }}</td>
                  <td>
                    <span class="badge badge-light">{{ assessment.subject.name }}</span>
                  </td>
                  <td>
                    <span class="badge badge-info">{{ assessment.assessment_type.name }}</span>
                  </td>
                  <td>{{ assessment.date|date:"M j, Y" }}</td>
                  <td><span class="badge badge-dark">{{ assessment.out_of }}</span></td>
                  <td class="text-center">
                      <div class="btn-group btn-group-sm" role="group" aria-label="Actions">
                        {% if is_teacher_role %}
                          {% if assessment.result_batch and assessment.result_batch.status == "VERIFIED" %}
                            <span class="badge badge-secondary">Locked</span>
                          {% else %}
                            <a href="{% url 'add_results' assessment.id %}" class="btn btn-primary" title="Add or Edit Results">
                              <i class="fa fa-plus-square"></i> Results
                            </a>
                          {% endif %}
                        {% else %}
                          {% if can_add_results %}
                            <a href="{% url 'add_results' assessment.id %}" class="btn btn-primary" title="Add or Edit Results">
                              <i class="fa fa-plus-square"></i> Results
                            </a>
                          {% endif %}
                          {% if can_view_verification_queue %}
                            <a href="{% url 'verification_queue' assessment.id %}" class="btn btn-info" title="Verification Queue">
                              <i class="fa fa-check-square"></i> Verify
                            </a>
                            <a href="{% url 'verification_report' assessment.id %}" class="btn btn-success" title="Verification Report">
                              <i class="fa fa-file-text-o"></i> Report
                            </a>
                          {% endif %}
                          {% if user.is_superuser %}
                            <a href="{% url 'edit_assessment_page' assessment.id %}" class="btn btn-warning" title="Edit Assessment">
                              <i class="fa fa-edit"></i>
                            </a>
                          <a href="{% url 'delete_assessment' assessment.id %}" class="btn btn-danger" title="Delete Assessment">
                            <i class="fa fa-trash"></i>
                          </a>
                        {% endif %}
                      {% endif %}
                    </div>
                  </td>
                </tr>
              {% endfor %}
            </tbody>
          </table>
        {% else %}
          <div class="empty-state">
            <div class="icon-wrap">
              <i class="fa fa-folder-open"></i>
            </div>
            <h4>No assessments found</h4>
            <p class="text-muted">Try adjusting filters above. If you expect entries, ensure assessments exist for this class and term.</p>
            <a href="?" class="btn btn-outline-secondary btn-sm">Clear filters</a>
          </div>
        {% endif %}
      </div>
    </div>
  </div>
</div>

<style>
  .filter-toolbar .mb-10 { margin-bottom: 10px; }
  .filter-toolbar .mt-10 { margin-top: 10px; }
  .filter-toolbar.sticky {
    position: sticky; top: 0; z-index: 2; background: #fff; padding-top: 8px; padding-bottom: 8px;
    border-bottom: 1px solid #f0f0f0;
  }

  .chips-scroll {
    display: flex; gap: 8px; overflow-x: auto; padding: 6px 0;
  }
  .chip {
    display: inline-block; padding: 6px 10px; border-radius: 16px; background: #f3f4f6; color: #374151;
    text-decoration: none; border: 1px solid #e5e7eb; white-space: nowrap; font-size: 12px;
  }
  .chip:hover { background: #e5e7eb; }
  .chip.active { background: #2c3e50; color: #fff; border-color: #2c3e50; }
  .chip-alt { background: #eef2ff; border-color: #e0e7ff; }
  .chip-alt.active { background: #6366f1; border-color: #6366f1; color: #fff; }

  .empty-state {
    background: #fff; border: 1px dashed #e5e7eb; border-radius: 12px;
    padding: 32px; text-align: center; color: #4b5563;
  }
  .empty-state .icon-wrap {
    width: 56px; height: 56px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    background: #f3f4f6; color: #6b7280; font-size: 20px; margin-bottom: 8px;
  }

  .row-link { cursor: pointer; }
  .row-link:hover { background: #f8fafc; }
</style>

<script>
  (function() {
    var form = document.getElementById('assessmentsFilterForm');
    ['subject_id','assessment_type_id','date_from','date_to'].forEach(function(id){
      var el = document.getElementById(id);
      if (el) {
        el.addEventListener('change', function(){ form.submit(); });
      }
    });

    // Make table rows navigable (excluding clicks on actual buttons/links)
    document.querySelectorAll('tr.row-link').forEach(function(row) {
      row.addEventListener('click', function(e) {
        if (e.target.closest('a, button, .btn')) return;
        var href = row.getAttribute('data-href');
        if (href) window.location = href;
      });
    });
  })();
</script>
{% endblock content %}